/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.druid.java.util.common.guava;

import java.util.Iterator;

/**
 * Simple Sequence based on an Iterable, created using {@link Sequences#simple}.
 */
public class SimpleSequence<T> extends BaseSequence<T, Iterator<T>>
{
  private final Iterable<T> iterable;

  SimpleSequence(final Iterable<T> iterable)
  {
    super(
        new BaseSequence.IteratorMaker<>()
        {
          @Override
          public Iterator<T> make()
          {
            return iterable.iterator();
          }

          @Override
          public void cleanup(Iterator<T> iterFromMake)
          {

          }
        }
    );

    this.iterable = iterable;
  }

  /**
   * Retrieve the original Iterable.
   */
  public Iterable<T> getIterable()
  {
    return iterable;
  }
}
